The arboretum contains hundreds of species of trees, shrubs, and flowers arranged in 19 collections (40 acres) as follows: Butterfly Garden, Children's Garden, Columnar Trees, Conifers, Dwarf Garden, Flowering Trees, Founders Grove, Herbs, Hostas, Large Deciduous Trees, Medium Deciduous Trees, Nut Trees, Perennials, Shade Garden, Shrubs, Trees under Utility Wires, Wetland Trees, Windbreak, and Winter Interest.
Iowa | University of Iowa | Iowa State University | Des Moines, Iowa | Davenport, Iowa | arboretum | Ames, Iowa | Dubuque, Iowa | Sioux City, Iowa | Cedar Rapids, Iowa | Iowa City, Iowa | Iowa City | Council Bluffs, Iowa | Iowa Hawkeyes | Grinnell, Iowa | Waterloo, Iowa | United States District Court for the Southern District of Iowa | Burlington, Iowa | Clinton, Iowa | University of Northern Iowa | Muscatine, Iowa | Mason City, Iowa | Iowa Supreme Court | Iowa Hawkeyes football | Clear Lake, Iowa | Bettendorf, Iowa | Postville, Iowa | Maquoketa, Iowa | Fairfield, Iowa | Cedar Falls, Iowa |